Specifying the vectorization width was supposed to implicitly enable
vectorization, except that it wasn't really doing this. It was only
setting the vectorize.width metadata, but not vectorize.enable.
This should fix PR27643.
Differential Revision: https://reviews.llvm.org/D66290
llvm-svn: 372082
It is possible to use yaml2obj to create sections with overlapping sh_offset now.
This patch does that.
Differential revision: https://reviews.llvm.org/D67610
llvm-svn: 372081
RISC-V GCC use -mcmodel=medany and -mcmodel=medlow, but LLVM use
-mcmodel=small and -mcmodel=medium.
Add those two option aliases for provide same user interface between
GCC and LLVM.
Reviewed By: lenary
Differential Revision: https://reviews.llvm.org/D67066
llvm-svn: 372080
This patch adds -Oz as option and also properly enables support for -Os.
Currently, the existing check for -Os is dead, because the enclosing if
only checks of O1, O2 and O3.
There is still a difference between the -Oz pipeline compared to opt,
but I have not been able to track that down yet.
Reviewers: bogner, sebpop, efriedma
Reviewed By: efriedma
Differential Revision: https://reviews.llvm.org/D67593
llvm-svn: 372079
RISC-V LLVM was only implement small/medlow code model, so it defined
__riscv_cmodel_medlow directly without check.
Now, we have medium/medany code model in RISC-V back-end, it should
define according the actually code model.
Reviewed By: lewis-revill
Differential Revision: https://reviews.llvm.org/D67065
llvm-svn: 372078
Set this bit for the MVE reduction instructions to prevent a loop from
becoming tail predicated in their presence.
Differential Revision: https://reviews.llvm.org/D67444
llvm-svn: 372076
Summary: This patch introduces a helper struct `AnalysisGetter` to put together analysis getters. In this patch, a getter for `AAResult` is also added for `noalias`.
Reviewers: jdoerfert, sstefan1
Reviewed By: jdoerfert
Subscribers: hiraditya, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D67603
llvm-svn: 372072
This makes git-llvm more of a thin wrapper around git while temporarily
maintaining backwards compatibility with past git-llvm behavior.
Using @{upstream} makes git-llvm more robust when used with a nontrivial
local repository.
https://reviews.llvm.org/D67389
llvm-svn: 372070
Previously we tried to split them into narrower v64i1 or v16i1
pieces that each got promoted to vXi8 and then passed in a zmm
or xmm register. But this crashes when you need to pass more
pieces than available registers reserved for argument passing.
The scalarizing done here generates much longer and slower code,
but is consistent with the behavior of avx2 and earlier targets
for these types.
Fixes PR43323.
llvm-svn: 372069
The BLENDM instructions allow an 2 sources and an independent
destination while masked VBROADCAST has the destination tied
to the source.
llvm-svn: 372068
The LoadScriptingModule used by command script import wasn't
initializing the LLDB global variables (things like `lldb.frame` and
`lldb.debugger`). They would get initialized however when running the
interactive script interpreter or running a single script line (e.g.
`script print(lldb.frame)`). This patch fixes that by properly
initializing the globals when loading a Python module.
Differential revision: https://reviews.llvm.org/D67644
llvm-svn: 372060
This reverts commit 21641a2f6d.
It was causing the following test failures:
lldb-Suite.lang/objc/objc-class-method.TestObjCClassMethod.py
lldb-Suite.lang/objc/foundation.TestObjCMethodsString.py
lldb-Suite.lang/objc/foundation.TestConstStrings.py
lldb-Suite.lang/objc/radar-9691614.TestObjCMethodReturningBOOL.py
lldb-Suite.lang/objc/foundation.TestObjCMethodsNSArray.py
llvm-svn: 372057
Fuchsia doesn't have /proc/id/maps, so it relies on the kernel logging system
to provide the DSO map to be able to symbolize in the context of ASLR. The DSO
map is logged automatically on Fuchsia when encountering a crash or writing to
the sanitizer log for the first time in a process. There are several cases
where libFuzzer doesn't encounter a crash, e.g. on timeouts, OOMs, and when
configured to print new PCs as they become covered, to name a few. Therefore,
this change always writes to the sanitizer log on startup to ensure the DSO map
is available in the log.
Author: aarongreen
Differential Revision: https://reviews.llvm.org/D66233
llvm-svn: 372056
This test is failing on the Fedora bot (staging). Rather than failing
with an IndexError, we should trigger an assert and dump the log when
the regex doesn't match.
llvm-svn: 372052
r371901 was overeager and widenScalarDst() and the like in the legalizer
attempt to increment the insert point given in order to add new instructions
after the currently legalizing inst. In cases where the insertion point is not
exactly the current instruction, then callers need to de-compensate for the
behaviour by decrementing the insertion iterator before calling them. It's not
a nice state of affairs, for now just undo the problematic parts of the change.
llvm-svn: 372050
Summary:
The path defined in CMakeLists.txt doesn't match the path generated in
our python script. This change fixes that.
LLVM_LIBRARY_OUTPUT_INTDIR is defined as:
${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX})
On the other hand, the path of site-package is generaged in
get_framework_python_dir_windows() in finishSwigPythonLLDB.py as:
(Dispite its name, the function is used for everything other than xcode)
prefix/cmakeBuildConfiguration/distutils.sysconfig.get_python_lib()
From lldb/CMakeLists.txt, we can see that:
prefix=${CMAKE_BINARY_DIR},
cmakeBuildConfiguration=${CMAKE_CFG_INTDIR}
And from python source code, we can see get_python_lib() always returns
lib/pythonx.y/site-packages for posix, or Lib/site-packages for windows:
https://github.com/python/cpython/blob/3.8/Lib/distutils/sysconfig.py#L128
We should make them match each other.
Subscribers: mgorny, lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D67583
llvm-svn: 372047
This patch completes the dump functionality by adding support for
dumping a reproducer's GDB remote packets.
Differential revision: https://reviews.llvm.org/D67636
llvm-svn: 372046
Add the missing piece of r372029.
Somehow when the patch for review D61961 was committed, only the test case
went in and the code didn't. This of course caused all kinds of build bot
breaks.
This patch just adds the code for that patch.
Author: Lei Huang
Differential revision: https://reviews.llvm.org/D61961
llvm-svn: 372043
It should be allowed to take a string table in case all the strings in
the remarks point there, but it shouldn't use it during serialization.
llvm-svn: 372042
This fixes a test failure in instrprof-set-file-object-merging.c which
seems to have been caused by reuse of stale data in old raw profiles.
llvm-svn: 372041
Summary:
Otherwise the definition (first found) for ObjCInterfaceDecl's might
precede the module one, which will eventually lead to crash, since
diagnoseMissingImport needs one coming from a module.
This behavior changed after Richard's r342018, which started to look
into the definition of ObjCInterfaceDecls.
rdar://problem/49237144
Reviewers: rsmith, arphaman
Subscribers: jkorous, dexonsmith, ributzka, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D66982
llvm-svn: 372039
Summary:
.init_array gets optimized away when building with -O2 and as a result,
check_cxx_section_exists failed to pass -DCOMPILER_RT_HAS_INITFINI_ARRAY
when building crtbegin.o and crtend.o, which causes binaries linked with
them encounter segmentation fault. See https://crbug.com/855759 for
details. This change prevents .init_array section to be optimized away
even with -O2 or higher optimization level.
Subscribers: dberris, mgorny, #sanitizers, llvm-commits
Tags: #sanitizers, #llvm
Differential Revision: https://reviews.llvm.org/D67628
llvm-svn: 372038
This check now also checks if any calls to pthread_* functions expect negative return values. These functions return either 0 on success or an errno on failure, which is positive only.
llvm-svn: 372037
When using lit's internal shell, RUN lines like the following
accidentally execute an external `diff` instead of lit's internal
`diff`:
```
# RUN: program | diff file -
# RUN: not diff file1 file2 | FileCheck %s
```
Such cases exist now, in `clang/test/Analysis` for example. We are
preparing patches to ensure lit's internal `diff` is called in such
cases, which will then fail because lit's internal `diff` cannot
currently be used in pipelines and doesn't recognize `-` as a
command-line option.
To enable pipelines, this patch moves lit's `diff` implementation into
an out-of-process script, similar to lit's `cat` implementation. A
follow-up patch will implement `-` to mean stdin.
Reviewed By: probinson, stella.stamenova
Differential Revision: https://reviews.llvm.org/D66574
llvm-svn: 372035
This is a follow up patch from https://reviews.llvm.org/D57857 to handle
extract_subvector v4f32. For cases where we fpext of v2f32 to v2f64 from
extract_subvector we currently generate on P9 the following:
lxv 0, 0(3)
xxsldwi 1, 0, 0, 1
xscvspdpn 2, 0
xxsldwi 3, 0, 0, 3
xxswapd 0, 0
xscvspdpn 1, 1
xscvspdpn 3, 3
xscvspdpn 0, 0
xxmrghd 0, 0, 3
xxmrghd 1, 2, 1
stxv 0, 0(4)
stxv 1, 0(5)
This patch custom lower it to the following sequence:
lxv 0, 0(3) # load the v4f32 <w0, w1, w2, w3>
xxmrghw 2, 0, 0 # Produce the following vector <w0, w0, w1, w1>
xxmrglw 3, 0, 0 # Produce the following vector <w2, w2, w3, w3>
xvcvspdp 2, 2 # FP-extend to <d0, d1>
xvcvspdp 3, 3 # FP-extend to <d2, d3>
stxv 2, 0(5) # Store <d0, d1> (%vecinit11)
stxv 3, 0(4) # Store <d2, d3> (%vecinit4)
Differential Revision: https://reviews.llvm.org/D61961
llvm-svn: 372029
Sjoerd Meijer